.banner {
    width: 7.5rem;
    height: 6.4rem;
    margin: 0 auto;
    position: relative;
}

.banner .crumbs_nav {
    position: absolute;
    width: 100%;
    padding-left: 0.3rem;
    box-sizing: border-box;
}

.banner .crumbs_nav ul {
    margin: 0.2rem 0;
}
.banner .crumbs_nav li {
  position: relative;
  color: #fafafa;
  float: left;
  max-width: 2rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-right: 0.32rem;
}
.banner .crumbs_nav li::after {
  content: ">";
  position: absolute;
  font-size: 0.2rem;
  font-weight: normal;
  color: #fafafa;
  right: 0.05rem;
  top: 0.1rem;
  width: 0.2rem;
  height: 0.2rem;
  line-height: 0.2rem;
  text-align: center;
}
.banner .crumbs_nav li:last-child {
  padding-right: 0;
}
.banner .crumbs_nav li:last-child::after {
  content: "";
}
.banner .crumbs_nav li a {
  color: #fafafa;
  font-size: 0.26rem;
  font-weight: 400;
  line-height: 0.3rem;
}
.banner .banner_pic img {
    width: 100%;
    height: 6.4rem;
    object-fit: cover;
    object-position: center;
    vertical-align: middle;
}